Manufacturers Worksafe USA Inc/Dump-lok Share Email Article Share on LinkedIn Share on X Share on Facebook Worksafe USA Inc/Dump-lok Locations & Contacts 326 Hopple Hills Dr Springfield, IL, 62707 217-487-7045 Visit Website Report Inaccuracies See something wrong? If there’s an error on this page, please let us know. Report Report inaccuracies for Worksafe USA Inc/Dump-lok page Optional description of the form for additional information. * Required information Email: Description: * Cancle Submit